Vertically-adjustable table.



' FRIDOLIN schimmert. or FARIBAU'L'r, MINNESOTA.

' VERTICALLll-ADJUSTABLE TABLE.

To all 'whom Muay concern:

Be. .it known that I, Fl'zIDoLIN Serum-MEL, ac itizen of.-tl1e United States, residing at Faribault, inthe county-of Riceand State otldinnesota, have invented certain new and usefulV lmprovements` in 'VerticallvAdjust able Tables;- ,and I do hereby declare the '1 following to beia full, clear, and exact de seription Yofthe invention, such as will enable others skilled inthe art to which it appertains, to make and use the same.

My invention lhas for its object to provide i anA improved -verticallyfadjustable` worktable, especially adapted forense in factories in. coifinection-` Vwith; sandpapering machines, and othcr machines, but adapted `nevertheless, 4forfmore-general use.

Eo-the above ends, the. invention consists of theA novel devices and combinations of devices V,hereinater described :and delined in the4 claims. v. .f

In the, accompanying drawings lwhichv illustrate. the invention, like characters inv1ews.`

Referring to the drawings: Figure 1 1s a dicabe" like 'parts throughout the several" perspective View', lshowing 'the improved table; Fig. -Q is aview principally in vertical section takenon the irregular line m2 m2 of'Fi-g. 1, some partsbeing broken away and with other parts shown in full; and Fig. 3

isa detail section on the line w3v a- ,of Fig'. 1. The table top 1 'is shown as provided on its underside'with laterally spaced parallel" rails '2.'. This table top is held always'in a horizontal position with freedom f or'yertr'` cal adjustments, by two pairs lo transversely crossed laterally spaced legs or leverbars 3 and 4, the former-of whlch 'are rigidly secured at theinintermediate portions to a transverse rod, and thelatter otwhich are intermediately pivoted von said rod. yThe upper` ends of the legs l are pivotallyeonn 'nected at. 6 tothefront ends of the rails 2,

and the legs 3 at their upper ends, are provided-with laterally projecting trunmons 7%,

`.upon whichlthe said rai s 2 loosely rest.-` vAs shown,the lsaid t'runnions 7a are formed by the endsof atie rod 7,.' which Arigidly' connects the u 'per endsof-the said legs 3, as?

best shown 11i Fig. 2. Tie rods 8 and-`9 rig'- lidly connect the. lower.I ends-of the legs 3 and ,Jrespectively, and on the ends of these tie rods, Wheels 10 and 11 are journaled,

`.Preferably thel wheels 10, which are `at y onel side.-ot f lthe table, ,'are peripherally Specification of Letters Patent. Patented Jan, 31, Application 4filed May 3, 1909.

Serial No. 493,461.

grooved, and run on a Vshaped ruil l2 arev at the other 'sideof the table. rn'zxyf,'a nl" preferably are varranged to run on the licor." Bearing heads 13 are pivot-ally connected to the upper portions of thelegs 3 and 4,'a'nd these, as shown, are provided with stems 14 v that are journaled in the 'said legs! 'The rear heads 13 serve as nut blocks, and these are engaged by the threaded ends of adjust ing rods 15, the forward portions of which rods are jour-naled in the front h eadsl, but vare held against 'endwise movements 'in 'respect thereto by collars 1G ontlieE said screw rods. To the extreme fron ends' 'off the adjusting rodsl, sprockets "17 'are 'sesI cured. vA sprocketchain' 18 runs over thea sprocket 17. @ne of the-adjusting rods`15 is provided, at yits front end, wit'han loper-7' ating crank 19.- 1 ,Y

As 'is 4 evident, wit'h the consti-notion'. dei scribed, when the vright hand adjusting rod 15 is rotated'by means of its crank '19, 'the' lefthand rod 15 will be rotated in'funison therewith, and 'by the ,simultaneous adjiist ment ot these two rods, the two pai/rs of legs -3 and 4 willbe positively vmoved pivotally on Vthe connecting, rod 5, so as to vary the angle to .which the said pairsoilegs will be set in respect to each. other. The said screw rods also, of course, rigidly hold the said legs in any' set adjustment. Angular adjustmentsu vof the said legs,l ofcourse, raises and .lowers the'table top 1, under. vwhich movementv the trunnions 7a slide ,along the under edges of'therails 2, thereby holding the table top always yin-a horizontal posiL tion. Of course, if the table top be primarily set ,at a slightangle, as might be top would be maintained parallel to its primary position throughout its adjustments.

yAs 1s evident, the table shown anddelscribed is capable of reciprocating forward Icured to the floor, While the Wheels 1l, Whicli l'desired for somefclassesof work, the .said

and rearward movements, so thatt-he article supported thereby may be moved l1orizontally in respectto 'a sandpapering belt 5 or. other device which may bearranged for co-y opration with the;work supporti-ng table.

The'drawings' illustrate what I believe to be the preferred form of the. improved `table,

I but nevertheless, I do not limit myself to thevdetail's of construction and arrangement im ofl parts shownin ythe '-drawings. For instance,.in some cases, a single adjusting rod 4or screw might be employed-although the` arrangement of one adjusting screw or rod for each pair of supporting legs,` gives a firmer and better 'adjusting means.

lVhat I claim is:

1. The combination With twopairs of laterally spaced intermediately. pivoted Isuppvotallyv conporting, legs, of -a table top nected to the upper end of one member of each pair lof l'legs and loosely -resting on parts carried by the upper endportions of the other'tWo legs, a pair of heads con-l nected one to each of one pair of pivotally connected legs, an-adjusting'rod for threaded engagement With one .of said heads and swiveled to the other of connecting one member of each pair of legs.

2. The combination With tvvo pairs of laterally 4spaced j intermedi-ately pivoted supporting 1egs','of a table top pivotally con.'- nectedfto the upper end of one member of each pair' of legs, and loosely resting'on parts carried by the upper end portions of the other two legs,v heads pivotal'ly conneeted to the .upper end portions of said legs, adjusting. rods for threaded engagement 4with the rear 'heads and swiveled tothe front heads, and means connecting said adjusting rods for simultaneous'movements to thereby vertically adjust said table top.

3. Thecombinationwith two pairs of laterally spaced transverselycrossed intermediately pivoted supporting legs,of a table top pivotally connected 'to the upper ends of -said legs, adjustingrods v said heads,the ad justment of said legs serving to raise and lower said table top,r and means for rigidly multaneous movements t`..said adjustingrods, to thereby vertically adj-ust said table top.'

crossed legs 3 and 4, a transverse rod 5 to which said legs- 3 are rigidlyl secured and upon which the legs 4 are intermediately pivoted, of'wheels applied to the lower. ends of said legs, heads 13 pivot-ally connected tol the upper portions ofsaid legs, adjusting 4. The combination .with transverselyrods 15 swiveled to the front heads 13 and having threaded engagement With the rear .heads 13, .means connecting said adjusting rods for simultaneous movements, trunnions 7a carried by the upper ends of said legs 3, and a table top 1,.havingfrails 2, pivotally1 connected to the upper ends of said legs Il and resting loosely upon said trunnions 7a.

In testimony whereof I affix my signature in presence of two Witnesses.

l FRipoLIN soHIMMEL.

vWitnesses I ELMER Busono, E. H. GIBSON.;4 

